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Finding the Fourth Proportional to 592,760.84, 818,012.12 and 320,832.29

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Solution

The fourth proportional to 592,760.84, 818,012.12 and 320,832.29 is: 442,749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,760.84 : 818,012.12 = 320,832.29 : x
  2. Step 2: Convert to fraction form
    592,760.84/818,012.12 = 320,832.29/x
  3. Step 3: Cross multiply
    592,760.84x = 818,012.12 × 320,832.29
  4. Step 4: Simplify right side
    592,760.84x = 262,444,702,148.22
  5. Step 5: Solve for x
    x = 262,444,702,148.22/592,760.84
  6. Step 6: Final answer
    x = 442,749.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.